Perfectimm Inc. (1999). Power quality: Commercial facility power protection. Perfectimm.
Chicagoスタイル(17版)引用形式Perfectimm Inc. Power Quality: Commercial Facility Power Protection. [Montrial]: Perfectimm, 1999.
MLA(8版)引用形式Perfectimm Inc. Power Quality: Commercial Facility Power Protection. Perfectimm, 1999.
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